Northrop Grumman is seeking a Senior Principal Software Engineer for their Sentinel program, offering an exciting opportunity to work on revolutionary systems that impact people's lives globally. This role combines software engineering expertise with defense and space technology, requiring a blend of technical leadership and hands-on development skills. The position offers a competitive salary range of $118,600 - $206,000, along with comprehensive benefits including medical coverage, 401k, and educational assistance. Working on a 9/80 schedule, you'll join a team pushing the boundaries of possible across land, sea, air, space, and cyberspace. The role requires expertise in Python, JavaScript, and Model-Based Systems Engineering, with opportunities to work on cutting-edge defense technology. With locations in Roy, Utah; Manhattan Beach, California; and Colorado Springs, Colorado, this position offers flexibility while requiring US citizenship and security clearance. The ideal candidate will have 8+ years of experience with a bachelor's degree (or equivalent combination of education and experience) and strong capabilities in both technical execution and team leadership. This role represents a unique opportunity to contribute to significant technological advancements while working for a company known for its pioneering spirit and innovative achievements.